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TECHNICAL PAPERS: Gas Turbines: Electric Power

Design Study of Part-Flow Evaporative Gas Turbine Cycles: Performance and Equipment Sizing—Part I: Aeroderivative Core

[+] Author and Article Information
N. D. Ågren, M. O. J. Westermark

Department of Chemical Engineering/Energy Processes, Royal Institute of Technology, SE-100 44 Stockholm, Sweden

J. Eng. Gas Turbines Power 125(1), 201-215 (Dec 27, 2002) (15 pages) doi:10.1115/1.1476924 History: Received December 01, 2000; Revised March 01, 2001; Online December 27, 2002
Copyright © 2003 by ASME
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References

Figures

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Flowsheet of the part-flow process
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Operating line and saturation curve for an air humidifier
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Humidifier operating lines at full and part flow
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Data flows between the used software
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Tower calculation segments
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Intalox© structured metal packing 2T (Norton Chemical Proc. Prod. Corp.)
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Conversion from β to fraction of compressor intake air used in the humidifier circuit
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Electric efficiency and total heat transfer area versus β
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Distribution of heat transfer surface versus β
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Column water outlet temperature and water flow versus β
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Operating lines for all part flow cases
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NTU and column shell height versus β
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Humidification column dimensions
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Flue gas heat recovery diagram for β=1
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Flue gas heat recovery diagram for β=0.2
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Temperature and humidity of flue gas at FWH exit versus β
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End condensation temperature versus β
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Graphical representation of number of transfer units for β=0.2
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Example of calculated number of transfer units as a function of minimum adiabatic temperature difference in a column for β=0.2

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